Subversion Repositories SoapBoxCore

Error running this command: svn --non-interactive --config-dir /tmp list --xml --username '***' --password '***' -r 17 'http://svn.soapboxcore.com/svn/trunk/AvalonDock/AvalonDock/doc@'
'/svn/!svn/bc/22/trunk/AvalonDock/AvalonDock/doc' path not found